13th Amendment: Abolished slavery in 1865. This rare commemorative copy is signed by Lincoln and all of those in Congress who voted for its passage. It was recently carefully restored by a Chicago documents conservator who donated his services.

The briefcase was used to carry drafts of the Emancipation Proclamation between the White House and the Soldier

Credit: Abraham Lincoln Presidential Library and Museum

Emancipation Proclamation, 1863. This commemorative copy of the original was signed by Lincoln using his full name, rather than the

Credit: Abraham Lincoln Presidential Library and Museum

The Gettysburg Address, 1863. This copy, written at the request of fellow Gettysburg speaker Edward Everett, is the first remaining copy that contains the phrase "under God." It was purchased for the State of Illinois in the 1940s partially by school children who saved their pennies.

The Gettysburg Address, 1863. This copy, written at the request of fellow Gettysburg speaker Edward Everett, is the first remaining copy that contains the phrase "under God." It was purchased for the State of Illinois in the 1940s partially by school children who saved their pennies.